2A3OOHA2VHF/UHF Transceiver

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Shenzhen Ysair Technology Co., LTD Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: January 20, 2026 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2A3OOHA2 Shenzhen Ysair Technology Co., LTD (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Name: Dongfang Shen Title: General Manager

Shenzhen Ysair Technology Co., LTD Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: January 20, 2026 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2A3OOHA2 Shenzhen Ysair Technology Co., LTD (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Name: Dongfang Shen Title: General Manager

Shenzhen Ysair Technology Co., LTD Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:2026-01-20 Ref: Attestation Statements, US agent designation FCC ID: 2A3OOHA2 FRN：0031641426 Shenzhen Ysair Technology Co., LTD acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment above for which authorization is sought. Contact: Liuye Li Company U.S. agent: RETEVIS INC Physical U.S. address of agent: 1733 E BROOKPORT ST,COVINA,CA 91724,United States FRN of U.S. agent: 0033657701 Email address of U.S. agent: [email protected] Phone of U.S. agent: 626-362-2594 RETEVIS INC acknowledges their obligation to accept service of process on behalf of Shenzhen Ysair Technology Co., LTD Shenzhen Ysair Technology Co., LTD accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. This acceptance will be in effect till the applicant decides to change the agent of service of process. By signing this form, we confirm the above and that we are aware of the application requirements listed under §2.911(d)(7). Sincerely, Signature Signature Name: Dongfang Shen Name: Liuye LI Titel: Manager Title: Directing Manager Shenzhen Ysair Technology Co., LTD RETEVIS INC

Shenzhen Ysair Technology Co., LTD Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-01-20 Subject; Request for Confidentiality FCC ID: 2A3OOHA2 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description Parts List Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Dongfang Shen Title: General Manager

Shenzhen Ysair Technology Co., LTD 3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN, Hong Kong Letter of Authorization Company: Shenzhen Ysair Technology Co., LTD Address: Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Product Name: VHF/UHF Transceiver Model Number(s): Ailunce HA2 Product Description: VHF/UHF Transceiver We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Jan. 20, 2026 Name: Dongfang Shen Title: General Manager Company: Shenzhen Ysair Technology Co., LTD

Report No.: AGC00319251202AP02 Page 1 of 4 EXTERNAL PHOTOS All View of EUT Top View of EUT VHF&UHF Antenna Report No.: AGC00319251202AP02 Page 2 of 4 Bottom View of EUT Front View of EUT Report No.: AGC00319251202AP02 Page 3 of 4 Back View of EUT Left View of EUT Report No.: AGC00319251202AP02 Page 4 of 4 Right View of EUT Charger View of EUT ****************************************End of Report*************************************

FCC ID Label Location 30mm*25mm FCC ID: 2A3OOHA2

Report No.: AGC00319251202AP02 Page 1 of 8 INTERNAL PHOTOS Open View-1 of EUT Open View-2 of EUT Report No.: AGC00319251202AP02 Page 2 of 8 Internal View-1 of EUT Internal View-2 of EUT GPS Antenna Report No.: AGC00319251202AP02 Page 3 of 8 Internal View-3 of EUT Internal View-4 of EUT Report No.: AGC00319251202AP02 Page 4 of 8 Internal View-5 of EUT Internal View-6 of EUT Report No.: AGC00319251202AP02 Page 5 of 8 Internal View-7 of EUT Internal View-8 of EUT Report No.: AGC00319251202AP02 Page 6 of 8 Internal View-9 of EUT Internal View-10 of EUT Report No.: AGC00319251202AP02 Page 7 of 8 Internal View-11 of EUT Internal View-12 of EUT Report No.: AGC00319251202AP02 Page 8 of 8 Internal View-13 of EUT Internal View-14 of EUT ****************************************End of Report************************************* BT Antenna

Page 1 of 28 FCC Test Report Report No.: AGC00319251202FE01 FCC ID 2A3OOHA2 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : VHF/UHF Transceiver BRAND NAME : RETEVIS MODEL NAME : Ailunce HA2 APPLICANT : Shenzhen Ysair Technology Co., LTD DATE OF ISSUE : Jan. 07, 2026 STANDARD(S) : FCC Part 15 Subpart B REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC00319251202FE01 Page 2 of 28 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jan. 07, 2026 Valid Initial Release Report No.: AGC00319251202FE01 Page 3 of 28 Table of Contents 1. General Information ........................................................................................................................................ 4 2. Product Information ........................................................................................................................................ 5 2.1 Product Technical Description ................................................................................................................... 5 2.2 Auxiliary Surrounding Description ............................................................................................................. 6 2.2 Test Methodology ...................................................................................................................................... 7 2.3 Description of Test Modes ......................................................................................................................... 7 3. Test Environment ............................................................................................................................................ 8 3.1 Address of The Test Laboratory ................................................................................................................ 8 3.2 Test Facility ................................................................................................................................................ 8 3.3 Environmental Conditions ......................................................................................................................... 9 3.4 Measurement Uncertainty ......................................................................................................................... 9 3.5 List of Equipment Used ........................................................................................................................... 10 4. Summary of Test Results ............................................................................................................................. 11 5. Radiated Emission Measurements .............................................................................................................. 12 5.1 Provisions Applicable .............................................................................................................................. 12 5.2 Measurement Setup ................................................................................................................................ 12 5.3 Measurement Procedure ......................................................................................................................... 13 5.4 Measurement Result ............................................................................................................................... 14 6. Conducted Emission Measurements .......................................................................................................... 18 6.1 Provisions Applicable .............................................................................................................................. 18 6.2 Measurement Setup ................................................................................................................................ 18 6.3 Measurement Procedure ......................................................................................................................... 19 6.4 Measurement Result ............................................................................................................................... 20 7. Antenna Conducted Power for Receivers .................................................................................................. 22 7.1 Provisions Applicable .............................................................................................................................. 22 7.2 Measurement Setup ................................................................................................................................ 22 7.3 Measurement Procedure ......................................................................................................................... 22 7.4 Measurement Result ............................................................................................................................... 23 8. Scanning Receivers and Frequency Converters Used with Scanning Receivers ................................. 25 8.1 Provisions Applicable .............................................................................................................................. 25 8.2 Measurement Setup ................................................................................................................................ 25 8.3 Measurement Procedure ......................................................................................................................... 25 8.4 Measurement Result ............................................................................................................................... 26 Appendix I: Photographs of Test Setup .......................................................................................................... 27 Appendix II: Photographs of Test EUT ........................................................................................................... 27 Report No.: AGC00319251202FE01 Page 4 of 2…

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Report No.: AGC00319251202AP03 Page 1 of 2 TEST SETUP PHOTOS Radiated Emission Test Setup Below 1GHz Radiated Emission Test Setup Above 1GHz Report No.: AGC00319251202AP03 Page 2 of 2 AC Power Line Conducted Test Setup ****************************************End of Report*************************************